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Finding the Fourth Proportional to 653, 978.14 and 444.10

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Solution

The fourth proportional to 653, 978.14 and 444.10 is: 665.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    653 : 978.14 = 444.10 : x
  2. Step 2: Convert to fraction form
    653/978.14 = 444.10/x
  3. Step 3: Cross multiply
    653x = 978.14 × 444.10
  4. Step 4: Simplify right side
    653x = 434,391.97
  5. Step 5: Solve for x
    x = 434,391.97/653
  6. Step 6: Final answer
    x = 665.23

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